Charge. If the Elk moves at least 20 ft straight toward a target and then hits it with a ram attack on the same turn, the target takes an extra 2-7-12 Damage. If the target is a creature, it must succeed on a dc 13 Strength Saving Throw or be knocked Prone.
Ram. Melee Weapon Attack: +5 to hit, reach 5 ft, one target. Hit: 4-6-9 1d6+3 Bludgeoning Damage.
Hooves. Melee Weapon Attack: +5 to hit, reach 5 ft, one target. Hit: 5-8-11 Bludgeoning Damage.